Hi @safaayadi
You are missing a closing bracket at the end of your formula.
For the visible property you need a boolean value (true or false).
To work with your code I would suggest to use a CountRows around the Filter and check > 0.
CountRows(
Filter(
Client,
'Mail'=User().Email &&
!IsBlank('Contrat maintenance Logiciels') &&
!IsBlank('Contrat maintenance Materiels)
)
) > 0
If you have any questions or feedback, please let me know. Have a great day! 😊
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